document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1074038>Question 1074038</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The radius of a cylindrical gift box is &#8203;(3x+4&#8203;) inches. The height of the gift box is twice the radius. What is the surface area of the&#8203; cylinder? Write your answer as a polynomial in standard form. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #688879 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=688879\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The surface area of a cylinder A = 2*pi*r*h (lateral) + 2*pi*r^2 (end caps), where r is the radius and h is the height.<BR>\n" );
document.write( "Given: r = 3x+4; h = 2*r -> h = 2(3x+4)<BR>\n" );
document.write( "A = 2*pi(2(3x+4)^2 + (3x+4)^2) = 2*pi*(3(3x+4)^2) = 6*pi*(3x+4)^2<BR>\n" );
document.write( "I leave it as an exercise for you to expand and express in standard form.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );